| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| when spanish flu happened | 0.94 | 0.1 | 9510 | 72 | 25 |
| when | 1.33 | 0.9 | 457 | 31 | 4 |
| spanish | 2 | 0.5 | 7086 | 97 | 7 |
| flu | 1.12 | 0.3 | 531 | 10 | 3 |
| happened | 0.2 | 1 | 8980 | 39 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| when spanish flu happened | 0.76 | 0.4 | 2208 | 61 |
| what happened to the spanish flu | 1.99 | 0.5 | 5659 | 14 |
| what happened to the spanish flu of 1918 | 0.66 | 0.4 | 864 | 16 |
| what happened to the spanish flu virus | 0.69 | 0.5 | 1100 | 13 |
| what happened to economy after spanish flu | 1.48 | 0.2 | 3425 | 69 |
| what caused the spanish flu of 1918 | 1.44 | 1 | 3734 | 11 |
| the spanish flu epidemic of 1918 | 1.64 | 0.4 | 9610 | 74 |
| the spanish flu pandemic of 1918 | 0.09 | 0.5 | 1486 | 19 |
| spanish flu pandemic of 1918 end | 0.1 | 0.1 | 5716 | 91 |
| history of spanish flu epidemic 1918 | 0.31 | 0.6 | 1387 | 29 |
| history 1918 spanish flu | 1.81 | 0.2 | 7812 | 75 |
| spanish influenza of 1918 | 0.62 | 0.5 | 7900 | 92 |
